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nordsb [41]
3 years ago
8

Use right triangle tools to find the unknown measures. Round lengths to the nearest tenth and angle measures to the nearest degr

ee.

Mathematics
1 answer:
timama [110]3 years ago
5 0

Step-by-step explanation:

OP=11.2

m<Q= 42⁰

m<R=48⁰

The tools used are....

I have used the property of Pythagoras Theorm to get the length of side QP, I have also used the property of inverse function of sin to get the measure of angle Q and the property of sum of angles of triangle to get measure of angle of R

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A certain forest covers an area of 2600 km2. Suppose that each year this area decreases by 7.75%. What will the area be like aft
kakasveta [241]

Answer:

After 15 years, the area will be of 775.3 km²

Step-by-step explanation:

The equation for the area of the forest after t years has the following format.

A(t) = A(0)(1-r)^{t}

In which A(0) is the initial area and r is the yearly decrease rate.

A certain forest covers an area of 2600 km2.

This means that A(0) = 2600

Suppose that each year this area decreases by 7.75%.

This means that r = 0.0775

So

A(t) = 2600(1-0.0775)^{t}

A(t) = 2600(0.9225)^{t}

What will the area be like after 15 years?

This is A(15)

A(t) = 2600(0.9225)^{t}

A(15) = 2600(0.9225)^{15} = 775.3

After 15 years, the area will be of 775.3 km²

3 0
3 years ago
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A taxi service charges an initial $15 fee, plus $3 per mile driven. A. Write an equation to represent the situation. B. How much
Paraphin [41]
A. Let x represent the number of miles and y represent the total price.

y=3x+15

B. Using the equation we just wrote, replace the x with 45.

y=3(45)+15


Now multiply 45 by 3.

y=135+15


And finally add together 135 and 15.

y=150

The total cost of a 45 mile taxi ride would be $150.00.
4 0
3 years ago
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If I have one cat and 2 dogs how many cows do I have? A. 0 B.0 C. -15 or D. -100
Soloha48 [4]
You have 0 cows because it didn’t tell how many cows there were
6 0
4 years ago
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7m=56. explanation please​
Aloiza [94]

Answer:

m=8

Step-by-step explanation:

Divide each term in

7

m

=

56

7

m

=

56

by

7

7

.

7

m

7

=

56

7

7

m

7

=

56

7

Cancel the common factor of

7

7

.

Tap for more steps...

m

=

56

7

m

=

56

7

Divide

56

56

by

7

7

.

m

=

8

m

=

8

4 0
3 years ago
Read 2 more answers
Are the triangles congruent why or why not
maxonik [38]

Answer:

The triangles are congruent by either Angle Side Angle (ASA) or Angle Angle Side (AAS).

Further Explanation:

The congruent triangles are those in which all the corresponding angles and the sides are equal.

There are many congruency rules and are as follows.

1. Angle Angle Side (AAS)

2. Angle Side Angle (ASA)

3. Side Side Side (SSS)

4. Side Angle Side (SAS)

Explanation:

The sum of all the angle of a triangle is {180^ \circ }180

∘

.

In triangle ABC the sum of all angle is {180^ \circ }180

∘

.

\begin{lgathered}\begin{aligned}\angle A+\angle B+\angle C&={180^\circ}\\{42^\circ}+{53^\circ }+\angle C&={180^\circ }\\\angle C&={180^\circ }-{95^\circ }\\\angle C&={85^\circ }\\\end{aligned}\end{lgathered}

∠A+∠B+∠C

42

∘

+53

∘

+∠C

∠C

∠C

=180

∘

=180

∘

=180

∘

−95

∘

=85

∘

In triangle RMQ the sum of all angle is {180^ \circ }180

∘

.

\begin{lgathered}\begin{aligned}\angle R+\angle M+\angle Q&=180^{\circ}\\42^{\circ}+\angle M+85^{\circ}&=180^{\circ}\\\angle M&=180^{\circ}-127^{\circ}\\\angle M&=53^{\circ}\end{aligned}\end{lgathered}

∠R+∠M+∠Q

42

∘

+∠M+85

∘

∠M

∠M

=180

∘

=180

∘

=180

∘

−127

∘

=53

∘

Consider the triangle ABC and triangle RMQ.

\angle A=\angle R={42^\circ }∠A=∠R=42

∘

Side AB = RM

\angle B=\angle M∠B=∠M

Therefore, the triangle ABC is congruent to triangle RMQ.

The triangles are congruent by either Angle Side Angle (ASA) or Angle Angle Side (AAS).

Learn more:

1. Learn more about inverse of the function brainly.com/question/1632445.

2. Learn more about equation of circle brainly.com/question/1506955.

3. Learn more about range and domain of the function brainly.com/question/3412497

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Triangle

Keywords: congruent, angles, triangle, ASA, angle side angle, congruent sides, acute angle, side, corresponding angles, congruent triangle.

3 0
3 years ago
Read 2 more answers
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